In a bowl, combine the drained tuna, chopped sundried tomatoes, finely chopped shallot, and chives. Mix well.
Next, add the cream cheese, grated cheese, and egg.Season lightly with salt and pepper, then mix.
Fold the puff pastry sheets in half and cut them lengthwise.Then fold each half in half again, as shown in the diagram.Place a spoonful of filling at one end, then fold to form a triangle.Place on a baking sheet lined with parchment paper.Repeat.
Lightly oil each samosa using a kitchen brush.
Oven cooking style
Preheat your oven to 180°C (350°F).
Bake in the middle of the oven for 15 minutes, checking regularly to prevent the cake from burning.
Pan cooking style
Heat a non-stick frying pan over medium heat and place your samosas in it.
Cook them gently for about fifteen minutes, turning them several times.